Snacks under 25 Calories? Yes, please. 25 Calorie or lower snacks are perfect for easing your hunger. These snacks under 25 calories are tasty and filling, so you won't even notice they are only 25 cal. These filling foods under 25 calories allow you to keep your metabolism up and not get bogged down. What food is 25 calories, you ask? Plenty of fruit and veggies and whole grains. Use these low 25 calorie foods to plan your daily eating in a list. These foods are ridiculously low calorie options for mid-meal bites.There are some great, and HEALTHY, snacks on this list. You won't feel guilty chomping down on these healthy snack choices.